CVE-2018-1000877

Sažetak

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-415: Double Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c, parse_codes(), realloc(rar->lzss.window, new_size) with new_size = 0 that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

Reference

https://github.com/libarchive/libarchive/pull/1105/commits/021efa522ad729ff0f5806c4ce53e4a6cc1daa31
https://github.com/libarchive/libarchive/pull/1105
https://bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909
https://lists.debian.org/debian-lts-announce/2018/12/msg00011.html
https://www.debian.org/security/2018/dsa-4360
http://www.securityfocus.com/bid/106324
https://usn.ubuntu.com/3859-1/
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html
https://access.redhat.com/errata/RHSA-2019:2298
https://access.redhat.com/errata/RHSA-2019:3698
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZVXA7PHINVT6DFF6PRLTDTVTXKDLVHNF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W645KCLWFDBDGFJHG57WOVXGE62QSIJI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBOCC2M6YGPZA6US43YK4INPSJZZHRTG/

CVSS

Base:	6.8
Impact:	6.4
Exploitability:	8.6

Pristup

Vektor	Složenost	Autentikacija
NETWORK	MEDIUM	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
PARTIAL	PARTIAL	PARTIAL

CVSS vektor

AV:N/AC:M/Au:N/C:P/I:P/A:P

Zadnje važnije ažuriranje

07-11-2023 - 02:51

Objavljeno

20-12-2018 - 17:29